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On Thu, Jun 27, 2019 at 1:19 PM Rob Berendt <rob@xxxxxxxxx> wrote:
I rather curious, why would anyone do a
Update myTable
Set Column_A = Column_A;
They wouldn't do that purposely, but if they are setting the column to
a variable, it is often simpler to just go ahead and update it, rather
than check first to see if the desired value is different than what's
already there.
Personally, I prefer
update mytable
set column_a = value;
over
update mytable
set column_a = value
where column_a <> value;
John Y.
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